Home / 77,285.82-115,945.26-23,976.64

Finding the Fourth Proportional to 77,285.82, 115,945.26 and 23,976.64

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Solution

The fourth proportional to 77,285.82, 115,945.26 and 23,976.64 is: 35,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,285.82 : 115,945.26 = 23,976.64 : x
  2. Step 2: Convert to fraction form
    77,285.82/115,945.26 = 23,976.64/x
  3. Step 3: Cross multiply
    77,285.82x = 115,945.26 × 23,976.64
  4. Step 4: Simplify right side
    77,285.82x = 2,779,977,594.46
  5. Step 5: Solve for x
    x = 2,779,977,594.46/77,285.82
  6. Step 6: Final answer
    x = 35,970.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.